Photographs help historians learn about the past by visualize the area or situation and the things present in that time.
<u>Explanation:</u>
With seeing the pictures of the time, the historians want to know about, they can learn about that time by seeing that area and the things which were used by the people of that area.
Photographs of an area help us to gain a deeper insight of that area and they are more useful to us when compared to reading texts about that time and area. They also helped us to learn about how people used to deal with the problems.
~<span>Most </span>slaves<span> during the </span>Roman<span> Empire were foreigners and, unlike in modern times, </span>Roman slavery<span> was not based on race. </span>Slaves<span> in </span>Rome<span> might include. Another </span>difference between Roman slavery<span> and its more modern variety was manumission;the ability of </span>slaves<span> to be freed.
Hope this helps.</span>
Although there were of course many threats to European peace in the 1930s, one of the biggest, and the best option from this list, was "the re-militarisation of the Rhineland 1936"
